<template>
  <div class='tinymce-container editor-container'>
    <textarea class='tinymce-textarea' :id="tinymceId"></textarea>
    <div class="editor-custom-btn-container">
      <resource-manager dir="goods" @insert-success="insertSuccessCBK">插入图片</resource-manager>
    </div>
  </div>
</template>

<script>
  import ResourceManager from '@/components/ResourceManager';

  export default {
    name: 'tinymce',
    components: {
      'resource-manager':ResourceManager,
    },
    props: {
      id: {
        type: String,
        default: 'vue-tinymce-default',
      },
      value: {
        type: String,
        default: ''
      },
      config:{
        type:Object,
        default:()=>{
          return {};
        }
      },
      height: {
        type: Number,
        required: false,
        default: 360
      }
    },
    data()
    {
      return {
        mce: null,
        hasChange: false,
        hasInit: false,
        tinymceId: this.id || 'vue-tinymce-' + +new Date()
      }
    },
    watch: {
      value(val)
      {
        if (!this.hasChange && this.hasInit)
        {
          this.$nextTick(() => window.tinymce.get(this.tinymceId).setContent(val))
        }
      }
    },
    mounted()
    {

      this.init();
    },
    activated()
    {
      if (this.hasInit)
      {
        this.destory();
        this.init();
      }

    },
    deactivated()
    {
    },
    methods: {
      emptyObject(obj) //判断是否空对象
      {
        let t;
        for (t in obj)
          return !1;
        return !0
      },
      init()
      {
        if (!this.emptyObject(this.config))
        {
          window.tinymce.init(this.config);
        }
        else
        {
          const _this = this;
          window.tinymce.init({
            selector: '#' + this.tinymceId,
            language: 'zh_CN',
            height: this.height,
            body_class: 'panel-body',
            object_resizing: false,
            toolbar: ['removeformat undo redo |  bullist numlist | outdent indent | forecolor,backcolor | visualblocks fullscreen',
              'p | bold,italic,underline,strikethrough | alignleft aligncenter alignright | code preview'],

            menubar: '',
            plugins: 'advlist,autolink,table,code,paste,preview,textcolor, colorpicker,fullscreen,visualblocks,searchreplace,link,lists,media,image,wordcount, imagetools',
            end_container_on_empty_block: true,
            powerpaste_word_import: 'clean',
            code_dialog_height: 450,
            code_dialog_width: 1000,
            advlist_bullet_styles: 'square',
            advlist_number_styles: 'default',
            block_formats: '普通标签=p;小标题=h2;',
            imagetools_toolbar: 'watermark',
            default_link_target: '_blank',
            link_title: false,
            init_instance_callback: editor => {
              if (_this.value)
              {
                editor.setContent(_this.value)
              }
              _this.hasInit = true;
              editor.on('NodeChange Change KeyUp', () => {
                this.hasChange = true
                this.$emit('input', editor.getContent({format: 'raw'}))
              })
            },

            setup(editor)
            {
              editor.addButton('p', {
                title: '正文',
                text: '正文',
                onclick()
                {
                  editor.execCommand('mceToggleFormat', false, 'p')
                },
                onPostRender()
                {
                  const btn = this
                  editor.on('init', () => {
                    editor.formatter.formatChanged('p', state => {
                      btn.active(state)
                    })
                  })
                }
              })
            }
          });
        }
      },
      insertSuccessCBK(arr)
      {
        const _this = this;
        arr.forEach(v => {
          window.tinymce.get(_this.tinymceId).insertContent('<img class="wscnph" style="display: block; margin-left: auto; margin-right: auto;" src="'+ v.full_url + '?x-oss-process=image/resize,w_750">');
        })
      },
      destory()
      {
        window.tinymce.get(this.tinymceId).destroy();
        this.hasInit = false;
      }
    },
    destroyed()
    {
      this.destory();
    }
  }
</script>

<style scoped>
  .tinymce-container {
    position: relative
  }

  .tinymce-textarea {
    visibility: hidden;
    z-index: -1;
  }

  .editor-custom-btn-container {
    position: absolute;
    right: 15px;
    /*z-index: 2005;*/
    top: 18px;
  }

  .editor-upload-btn {
    display: inline-block;
  }
</style>
